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I'm trying to download the USB installer of macOS X Catalina but I'm getting an error:

Update not found The requested version of macOS is not available.

I'm already on mac os Catalina 10.15, I'm not trying to update, I want to download the USB installer.

Below the error I'm receving, a screenshot and a gif.

screenshot

enter image description here

ademar111190
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    Have a look at this answer: https://apple.stackexchange.com/questions/309399/how-can-i-download-an-older-version-of-os-x-macos/372698#372698 – user3439894 Oct 25 '19 at 14:25

1 Answers1

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softwareupdate --fetch-full-installer --full-installer-version 10.15

See also How can I download an older version of OS X/macOS?

user3439894
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coderroggie
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  • This command doesn't work on macOS Mojave. Running it just displays the man page for softwareupdate. – sfxedit Aug 10 '23 at 02:50